<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery.min.js"></script>
</head>
<body>

<div>div1</div>
<div>div2</div>
<div>div3</div>


<script>
    $(function () {
        var $div = $('div');
        console.log($div);


        var arr = [1,3,5];
        console.log(arr);
    })
</script>
</body>
</html>